<!-- home -->
<template>
    <Three :top="250">
      <div class="about-container">
        <div class="screenfullbtn" @click="click()"><van-icon name="enlarge" color="#fff" size="24" /></div>
        <div class="login-container">
          <el-form
            ref="loginForm"
            :model="loginForm"
            :rules="loginRules"
            class="login-form"
            auto-complete="on"
            label-position="left"
          >
            <div class="title-container">
              <h3 class="title">可视化数据看板</h3>
            </div>

            <el-form-item prop="username">
              <span class="svg-container">
                <svg-icon icon-class="user" />
              </span>
              <el-input
                ref="username"
                v-model="loginForm.username"
                placeholder="用户名"
                name="username"
                type="text"
                tabindex="1"
                auto-complete="on"
              />
            </el-form-item>

            <el-form-item prop="password">
              <span class="svg-container">
                <svg-icon icon-class="password" />
              </span>
              <el-input
                :key="passwordType"
                ref="password"
                v-model="loginForm.password"
                :type="passwordType"
                placeholder="密码"
                name="password"
                tabindex="2"
                auto-complete="on"
                @keyup.enter.native="handleLogin"
              />
              <span class="show-pwd" @click="showPwd">
                <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
              </span>
            </el-form-item>

            <el-button
              :loading="loading"
              type="primary"
              style="width: 100%; margin-bottom: 30px"
              @click.native.prevent="handleLogin"
              >登录</el-button
            >

            <div class="tips">
              <!-- <span style="margin-right:20px;">username: admin</span>
        <span> password: any</span> -->
            </div>
          </el-form>
        </div>
        <!-- 全屏按钮 -->
      </div>
    </Three>
</template>

<script>
// 请求接口
// import { getUserInfo } from '@/api/user.js'
import screenfull from 'screenfull'
import Three from '@/components/Common/Three'
export default {
  data() {
    const validatePassword = (rule, value, callback) => {
      if (value.length < 1) {
        callback(new Error('密码不能为空'))
      } else {
        callback()
      }
    }
    const validateUsername = (rule, value, callback) => {
      if (value.length < 1) {
        callback(new Error('用户名不能为空'))
      } else {
        callback()
      }
    }
    return {
      fullscreen: true,
      loginForm: {
        username: '17601241636',
        password: '123456'
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur',validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
   watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  computed: {},
  components: { Three },
  mounted() {},
  methods: {
    // 判断全屏
    checkFull() {
      //判断浏览器是否处于全屏状态 （需要考虑兼容问题）
      //火狐浏览器
      var isFull =
        document.mozFullScreen ||
        document.fullScreen ||
        //谷歌浏览器及Webkit内核浏览器
        document.webkitIsFullScreen ||
        document.webkitRequestFullScreen ||
        document.mozRequestFullScreen ||
        document.msFullscreenEnabled
      if (isFull === undefined) {
        isFull = false
      }
      return isFull
    },
    // 全屏和取消全屏
    click() {
      if (!screenfull.enabled) {
        this.$message({
          message: 'you browser can not work',
          type: 'warning'
        })
        return false
      }
      screenfull.toggle()
      this.fullscreen = !this.fullscreen
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      alert("请完善vuex")
      return
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('login', {
            username:this.loginForm.username,
            password:(this.loginForm.password )
          }).then(() => {
            this.$router.push({ path:'/' })
            this.loading = false
          }).catch((err) => {
            console.log(err);
            this.loading = false
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>
<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  height: 100vh;
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>
<style lang="scss">
.about-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  /* 你的命名空间 */
  .screenfullbtn {
    position: absolute;
    right: 10px;
    top: 10px;
    cursor: pointer;
  }
  
}
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100vh;
  width: 100%;
  overflow: hidden;
display: flex;
align-items: center;
justify-content: center;
  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    // padding: 200px 35px 0;
    // margin:  auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
    text-align: center;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
